Home / 758,439.32-1,137,727.02-197,478.68

Finding the Fourth Proportional to 758,439.32, 1,137,727.02 and 197,478.68

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Solution

The fourth proportional to 758,439.32, 1,137,727.02 and 197,478.68 is: 296,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,439.32 : 1,137,727.02 = 197,478.68 : x
  2. Step 2: Convert to fraction form
    758,439.32/1,137,727.02 = 197,478.68/x
  3. Step 3: Cross multiply
    758,439.32x = 1,137,727.02 × 197,478.68
  4. Step 4: Simplify right side
    758,439.32x = 224,676,830,109.93
  5. Step 5: Solve for x
    x = 224,676,830,109.93/758,439.32
  6. Step 6: Final answer
    x = 296,235.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.